DENVER -- John Grant scored his fourth goal of the game in overtime as the Colorado Mammoth edged the Calgary Roughnecks 13-12 on Saturday in National Lacrosse League action.

Adam Jones had three goals and three assists for the Mammoth (9-3), Chris Wardle had two goals and a helper, and Greg Downing, Ilija Gajic, Cameron Holding, and Mike Burke also scored.

Colorado goalier Dillon Ward allowed 10 goals on 41 shots through 38:54. Alex Buque let in two goals on 16 shots the rest of the way.

Curtis Dickson led the Roughnecks (6-8) with four goals and an assist while Jeff Shattler scored two goals and set up five more. Wesley Berg had two goals and two assists, Tyler Digby had two goals and one assist, and Dan MacRae and Garrett McIntosh supplied the rest of the offence.

Calgary's Mike Poulin made 36 saves on 48 shots through 61:25. Frank Scigliano gave up a goal on the only shot he faced over 31 seconds.